45229602138 has 16 divisors (see below), whose sum is σ = 103381947840. Its totient is φ = 12922743456.

The previous prime is 45229602109. The next prime is 45229602149. The reversal of 45229602138 is 83120692254.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1076895289 = 45229602138 / (4 + 5 + 2 + 2 + 9 + 6 + 0 + 2 + 1 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 45229602138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538447603 + ... + 538447686.

It is an arithmetic number, because the mean of its divisors is an integer number (6461371740).

Almost surely, 2^45229602138 is an apocalyptic number.

45229602138 is an abundant number, since it is smaller than the sum of its proper divisors (58152345702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45229602138 is a wasteful number, since it uses less digits than its factorization.

45229602138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076895301.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 45229602138 in words is "forty-five billion, two hundred twenty-nine million, six hundred two thousand, one hundred thirty-eight".